Home / 720,402.51-1,079,637.84-560,671.32

Finding the Fourth Proportional to 720,402.51, 1,079,637.84 and 560,671.32

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Solution

The fourth proportional to 720,402.51, 1,079,637.84 and 560,671.32 is: 840,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,402.51 : 1,079,637.84 = 560,671.32 : x
  2. Step 2: Convert to fraction form
    720,402.51/1,079,637.84 = 560,671.32/x
  3. Step 3: Cross multiply
    720,402.51x = 1,079,637.84 × 560,671.32
  4. Step 4: Simplify right side
    720,402.51x = 605,321,972,874.75
  5. Step 5: Solve for x
    x = 605,321,972,874.75/720,402.51
  6. Step 6: Final answer
    x = 840,255.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.